Palumbo has worked with many different artists including Alien Ant Farm (performing live with them on their cover of Bad Brains' "Gene Machine"), The Movielife (on the track, "Another Friend"), Ray Cappo (on Glassjaw's cover of the Youth of Today song, "Modern Love Story"), The Rondo Brothers (on the tracks "Hey Stewardess", "Whispering Reef", and "Take Me Back"), Silent Majority (on the track "Popular Opinion"), Every Time I Die (on the track "Champing at the Bit" from Gutter Phenomenon), Finch (on the tracks "Project Mayhem" and "Grey Matter" from What It Is to Burn), Cage Kennylz (on the track "Shoot Frank" from Hell's Winter) and Dan the Automator's Handsome Boy Modeling School.